000 00293nam a2200121Ia 4500
008 240112s9999 xx 000 0 und d
082 _aCRA-S.12
_b500
100 _aCrammer, J L
245 0 _aScience news-12
260 _a London
_bPenguin Books
_c1949
650 _aPure sciences
942 _cBK
999 _c42795
_d42795